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John Bradford wrote: I think > the performance of an on-the-fly filesystem conversion utility is > going to be so much worse than just creating a new partition and > copying the data across, which is awfully difficult if you have, say, a 60GB filesystem, a 60GB disk, and nothing else. > that the only reason to do it would be if you > could do it on a read-write filesystem without unmounting it. IMHO even if it requires the filesystem to be unmounted, it would still be useful. More challenging to use - you'd have to boot and run from ramdisk, but much more useful than not being able to convert at all. > What I'd like to see is union mounts which allowed you to mount a new > filesystem of a different type over the original one, and have all new > writes go to the new fileystem. I.E. as files were modified, they > would be re-written to the new FS. That would be one way of avoiding > the performance hit on a busy server. But useless unless you have a second disk lying around that you don't use for anything but filesystem conversions. -- Jamie - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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